Perhaps you should try some spelling variations:
"the experts sources in .net" » "the expertise sources in .net", "the experts resources in .net", "the expected sources in .net"
"the expert sources in .net" » "the egret sources in .net", "the report sources in .net", "the exposure sources in .net"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("the experts sources in .net") OR ("the expert sources in .net")).
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